KNF insider transaction filings
Knife River Corp — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-07-01. Screen KNF transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 1 Form 4 filing. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 1.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Fagg Karen B — Director | 1 | — | — | 1 |
Recent Form 4 filings — Knife River Corp
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-01 | 4 | Fagg Karen B — Director | Grant/award (A): 197.48 (derivative) @ $89.25 | EDGAR |
| 2026-05-21 | 4 | Carmona-Alvarez German — Director | Grant/award (A): 2,040 @ $0 | EDGAR |
| 2026-05-21 | 4 | SANDBROOK WILLIAM J — Director | Grant/award (A): 2,040 @ $0 | EDGAR |
| 2026-05-21 | 4 | Chiodo Patricia — Director | Grant/award (A): 2,040 @ $0 | EDGAR |
| 2026-05-21 | 4 | Hill Thomas W. — Director | Grant/award (A): 2,040 @ $0 | EDGAR |
| 2026-05-21 | 4 | Fagg Karen B — Director | Grant/award (A): 2,380 @ $0 | EDGAR |
| 2026-05-21 | 4 | MOSS PATRICIA L — Director | Grant/award (A): 2,040 @ $0 | EDGAR |
| 2026-04-01 | 4 | Fagg Karen B — Director | Grant/award (A): 221.68 (derivative) @ $79.51 | EDGAR |
| 2026-03-09 | 4 | Gray Brian R. — President & CEO, Director | Grant/award (A): 20,955 @ $0 | EDGAR |
| 2026-03-05 | 4 | Kadrmas Marney L. — VP & Chief Accounting Officer | Grant/award (A): 1,199 @ $0 | EDGAR |
| 2026-03-05 | 4 | Pladsen Glenn R. — VP & Chief Excellence Officer | Grant/award (A): 2,950 @ $0 | EDGAR |
| 2026-03-05 | 4 | LaChapelle Sarah L. — VP & Chief People Officer | Grant/award (A): 2,713 @ $0 | EDGAR |
| 2026-03-05 | 4 | Liepitz Karl A — VP, Chief Legal Officer & Sec. | Grant/award (A): 4,611 @ $0 | EDGAR |
| 2026-03-05 | 4 | Hastings Trevor J — Vice President & COO | Grant/award (A): 6,130 @ $0 | EDGAR |
| 2026-03-05 | 4 | Ring Nathan W — Vice President & CFO | Grant/award (A): 5,211 @ $0 | EDGAR |
| 2026-02-17 | 4 | Pladsen Glenn R. — VP & Chief Excellence Officer | Tax withholding (F): 1,385 @ $81.74 · Tax withholding (F): 1,569 @ $81.74 | EDGAR |
| 2026-02-17 | 4 | Gray Brian R. — President & CEO, Director | Tax withholding (F): 10,072 @ $81.74 · Tax withholding (F): 19,572 @ $81.74 | EDGAR |
| 2026-02-17 | 4 | Kadrmas Marney L. — VP & Chief Accounting Officer | Tax withholding (F): 1,232 @ $81.74 | EDGAR |
| 2026-02-17 | 4 | Liepitz Karl A — VP, Chief Legal Officer & Sec. | Tax withholding (F): 8,648 @ $81.74 | EDGAR |
| 2026-02-17 | 4 | Hastings Trevor J — Vice President & COO | Tax withholding (F): 2,880 @ $81.74 · Tax withholding (F): 4,599 @ $81.74 | EDGAR |
| 2026-02-17 | 4 | Ring Nathan W — Vice President & CFO | Tax withholding (F): 1,922 @ $81.74 · Tax withholding (F): 4,336 @ $81.74 | EDGAR |
| 2025-05-27 | 4 | Carmona-Alvarez German — Director | Grant/award (A): 1,551 @ $0 | EDGAR |
| 2025-05-27 | 4 | SANDBROOK WILLIAM J — Director | Grant/award (A): 1,551 @ $0 | EDGAR |
| 2025-05-27 | 4 | Chiodo Patricia — Director | Grant/award (A): 1,551 @ $0 | EDGAR |
| 2025-05-27 | 4 | Hill Thomas W. — Director | Grant/award (A): 1,551 @ $0 | EDGAR |
| 2025-05-27 | 4 | Fagg Karen B — Director | Grant/award (A): 1,810 @ $0 | EDGAR |
| 2025-05-27 | 4 | MOSS PATRICIA L — Director | Grant/award (A): 1,551 @ $0 | EDGAR |
| 2025-03-03 | 4 | Gray Brian R. — President & CEO, Director | Grant/award (A): 12,599 @ $0 | EDGAR |
| 2025-03-03 | 4 | Pladsen Glenn R. — VP & Chief Excellence Officer | Grant/award (A): 1,786 @ $0 · Tax withholding (F): 1,292 @ $94.73 | EDGAR |
| 2025-03-03 | 4 | Kadrmas Marney L. — VP & Chief Accounting Officer | Grant/award (A): 709 @ $0 | EDGAR |
| 2025-03-03 | 4 | Christenson Nancy K. — VP of Administration | Tax withholding (F): 1,583 @ $94.73 | EDGAR |
| 2025-03-03 | 4 | Liepitz Karl A — VP, Chief Legal Officer & Sec. | Grant/award (A): 2,770 @ $0 · Tax withholding (F): 7,083 @ $94.73 | EDGAR |
| 2025-03-03 | 4 | Hastings Trevor J — Vice President & COO | Grant/award (A): 3,114 @ $0 · Tax withholding (F): 4,016 @ $94.73 | EDGAR |
| 2025-03-03 | 4 | Ring Nathan W — Vice President & CFO | Grant/award (A): 3,114 @ $0 · Tax withholding (F): 1,698 @ $94.73 | EDGAR |
| 2025-01-02 | 4 | Fagg Karen B — Director | Grant/award (A): 173.76 (derivative) @ $101.43 | EDGAR |
| 2024-10-01 | 4 | Fagg Karen B — Director | Grant/award (A): 197.56 (derivative) @ $89.22 | EDGAR |
| 2024-06-28 | 4 | Chiodo Patricia — Director | Grant/award (A): 1,962 @ $0 | EDGAR |
| 2024-06-28 | 4 | Fagg Karen B — Director | Grant/award (A): 250.07 (derivative) @ $70.48 | EDGAR |
| 2024-05-16 | 4 | Carmona-Alvarez German — Director | Grant/award (A): 1,905 @ $0 · Grant/award (A): 720 @ $77.19 | EDGAR |
| 2024-05-16 | 4 | SANDBROOK WILLIAM J — Director | Grant/award (A): 1,905 @ $0 · Grant/award (A): 720 @ $77.19 | EDGAR |
| 2024-05-16 | 4 | Hill Thomas W. — Director | Grant/award (A): 1,905 @ $0 | EDGAR |
| 2024-05-16 | 4 | Fagg Karen B — Director | Grant/award (A): 2,222 @ $0 · Grant/award (A): 841 @ $77.19 | EDGAR |
| 2024-05-16 | 4 | MOSS PATRICIA L — Director | Grant/award (A): 1,905 @ $0 · Grant/award (A): 720 @ $77.19 | EDGAR |
| 2024-04-01 | 4 | Fagg Karen B — Director | Grant/award (A): 218.59 (derivative) @ $80.63 | EDGAR |
| 2024-03-04 | 4 | Gray Brian R. — President & CEO, Director | Purchase (P): 1 @ $73.65 | EDGAR |
| 2024-02-26 | 4 | Pladsen Glenn R. — VP of Support Services | Grant/award (A): 2,153 @ $0 · Tax withholding (F): 941 @ $72.55 | EDGAR |
| 2024-02-26 | 4 | Kadrmas Marney L. — Chief Accounting Officer | Grant/award (A): 1,050 @ $0 | EDGAR |
| 2024-02-26 | 4 | Liepitz Karl A — VP, Chief Legal Officer & Sec. | Grant/award (A): 4,348 @ $0 · Tax withholding (F): 5,243 @ $72.55 | EDGAR |
| 2024-02-26 | 4 | Hastings Trevor J — Vice President & COO | Grant/award (A): 4,805 @ $0 · Tax withholding (F): 3,280 @ $72.55 | EDGAR |
| 2024-02-26 | 4 | Ring Nathan W — Vice President & CFO | Grant/award (A): 4,805 @ $0 · Tax withholding (F): 1,508 @ $72.55 | EDGAR |
Recent 8-K events — Knife River Corp
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-04 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-21 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-18 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-05 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-17 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-04 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-05 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-05-28 | 8-K | 3.03 — Material Modification to Rights of Security Holders 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2025-05-06 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-03-28 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
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